181865034

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 459970560

約数和(自身を除く): 278105526

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 61, 62, 78, 93, 117, 122, 137, 183, 186, 234, 274, 279, 351, 366, 403, 411, 549, 558, 702, 793, 806, 822, 837, 1098, 1209, 1233, 1586, 1647, 1674, 1781, 1891, 2379, 2418, 2466, 3294, 3562, 3627, 3699, 3782, 4247, 4758, 5343, 5673, 7137, 7254, 7398, 8357, 8494, 10686, 10881, 11346, 12741, 14274, 16029, 16714, 17019, 21411, 21762, 24583, 25071, 25482, 32058, 34038, 38223, 42822, 48087, 49166, 50142, 51057, 55211, 73749, 75213, 76446, 96174, 102114, 108641, 110422, 114669, 147498, 150426, 165633, 217282, 221247, 225639, 229338, 259067, 325923, 331266, 442494, 451278, 496899, 518134, 651846, 663741, 777201, 977769, 993798, 1327482, 1490697, 1554402, 1955538, 2331603, 2933307, 2981394, 3367871, 4663206, 5866614, 6735742, 6994809, 10103613, 13989618, 20207226, 30310839, 60621678, 90932517, 181865034]

約数ペア:

[(1, 181865034), (2, 90932517), (3, 60621678), (6, 30310839), (9, 20207226), (13, 13989618), (18, 10103613), (26, 6994809), (27, 6735742), (31, 5866614), (39, 4663206), (54, 3367871), (61, 2981394), (62, 2933307), (78, 2331603), (93, 1955538), (117, 1554402), (122, 1490697), (137, 1327482), (183, 993798), (186, 977769), (234, 777201), (274, 663741), (279, 651846), (351, 518134), (366, 496899), (403, 451278), (411, 442494), (549, 331266), (558, 325923), (702, 259067), (793, 229338), (806, 225639), (822, 221247), (837, 217282), (1098, 165633), (1209, 150426), (1233, 147498), (1586, 114669), (1647, 110422), (1674, 108641), (1781, 102114), (1891, 96174), (2379, 76446), (2418, 75213), (2466, 73749), (3294, 55211), (3562, 51057), (3627, 50142), (3699, 49166), (3782, 48087), (4247, 42822), (4758, 38223), (5343, 34038), (5673, 32058), (7137, 25482), (7254, 25071), (7398, 24583), (8357, 21762), (8494, 21411), (10686, 17019), (10881, 16714), (11346, 16029), (12741, 14274)]