28901556

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 78744960

約数和(自身を除く): 49843404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 61, 82, 107, 108, 122, 123, 164, 183, 214, 244, 246, 321, 366, 369, 428, 492, 549, 642, 732, 738, 963, 1098, 1107, 1284, 1476, 1647, 1926, 2196, 2214, 2501, 2889, 3294, 3852, 4387, 4428, 5002, 5778, 6527, 6588, 7503, 8774, 10004, 11556, 13054, 13161, 15006, 17548, 19581, 22509, 26108, 26322, 30012, 39162, 39483, 45018, 52644, 58743, 67527, 78324, 78966, 90036, 117486, 118449, 135054, 157932, 176229, 234972, 236898, 267607, 270108, 352458, 473796, 535214, 704916, 802821, 1070428, 1605642, 2408463, 3211284, 4816926, 7225389, 9633852, 14450778, 28901556]

約数ペア:

[(1, 28901556), (2, 14450778), (3, 9633852), (4, 7225389), (6, 4816926), (9, 3211284), (12, 2408463), (18, 1605642), (27, 1070428), (36, 802821), (41, 704916), (54, 535214), (61, 473796), (82, 352458), (107, 270108), (108, 267607), (122, 236898), (123, 234972), (164, 176229), (183, 157932), (214, 135054), (244, 118449), (246, 117486), (321, 90036), (366, 78966), (369, 78324), (428, 67527), (492, 58743), (549, 52644), (642, 45018), (732, 39483), (738, 39162), (963, 30012), (1098, 26322), (1107, 26108), (1284, 22509), (1476, 19581), (1647, 17548), (1926, 15006), (2196, 13161), (2214, 13054), (2501, 11556), (2889, 10004), (3294, 8774), (3852, 7503), (4387, 6588), (4428, 6527), (5002, 5778)]