222131988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 636959232

約数和(自身を除く): 414827244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 61, 62, 78, 93, 117, 122, 124, 156, 183, 186, 234, 244, 251, 279, 366, 372, 403, 468, 502, 549, 558, 732, 753, 793, 806, 1004, 1098, 1116, 1209, 1506, 1586, 1612, 1891, 2196, 2259, 2379, 2418, 3012, 3172, 3263, 3627, 3782, 4518, 4758, 4836, 5673, 6526, 7137, 7254, 7564, 7781, 9036, 9516, 9789, 11346, 13052, 14274, 14508, 15311, 15562, 17019, 19578, 22692, 23343, 24583, 28548, 29367, 30622, 31124, 34038, 39156, 45933, 46686, 49166, 58734, 61244, 68076, 70029, 73749, 91866, 93372, 98332, 101153, 117468, 137799, 140058, 147498, 183732, 199043, 202306, 221247, 275598, 280116, 294996, 303459, 398086, 404612, 442494, 474641, 551196, 597129, 606918, 796172, 884988, 910377, 949282, 1194258, 1213836, 1423923, 1791387, 1820754, 1898564, 2388516, 2847846, 3582774, 3641508, 4271769, 5695692, 6170333, 7165548, 8543538, 12340666, 17087076, 18510999, 24681332, 37021998, 55532997, 74043996, 111065994, 222131988]

約数ペア:

[(1, 222131988), (2, 111065994), (3, 74043996), (4, 55532997), (6, 37021998), (9, 24681332), (12, 18510999), (13, 17087076), (18, 12340666), (26, 8543538), (31, 7165548), (36, 6170333), (39, 5695692), (52, 4271769), (61, 3641508), (62, 3582774), (78, 2847846), (93, 2388516), (117, 1898564), (122, 1820754), (124, 1791387), (156, 1423923), (183, 1213836), (186, 1194258), (234, 949282), (244, 910377), (251, 884988), (279, 796172), (366, 606918), (372, 597129), (403, 551196), (468, 474641), (502, 442494), (549, 404612), (558, 398086), (732, 303459), (753, 294996), (793, 280116), (806, 275598), (1004, 221247), (1098, 202306), (1116, 199043), (1209, 183732), (1506, 147498), (1586, 140058), (1612, 137799), (1891, 117468), (2196, 101153), (2259, 98332), (2379, 93372), (2418, 91866), (3012, 73749), (3172, 70029), (3263, 68076), (3627, 61244), (3782, 58734), (4518, 49166), (4758, 46686), (4836, 45933), (5673, 39156), (6526, 34038), (7137, 31124), (7254, 30622), (7564, 29367), (7781, 28548), (9036, 24583), (9516, 23343), (9789, 22692), (11346, 19578), (13052, 17019), (14274, 15562), (14508, 15311)]