28156780812

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{19861}}^1$

素因数の和:20039

約数の個数: 96

約数和(自身を含む): 70331183104

約数和(自身を除く): 42174402292

約数列:

[1, 2, 3, 4, 6, 12, 31, 37, 62, 74, 93, 103, 111, 124, 148, 186, 206, 222, 309, 372, 412, 444, 618, 1147, 1236, 2294, 3193, 3441, 3811, 4588, 6386, 6882, 7622, 9579, 11433, 12772, 13764, 15244, 19158, 19861, 22866, 38316, 39722, 45732, 59583, 79444, 118141, 119166, 236282, 238332, 354423, 472564, 615691, 708846, 734857, 1231382, 1417692, 1469714, 1847073, 2045683, 2204571, 2462764, 2939428, 3694146, 4091366, 4409142, 6137049, 7388292, 8182732, 8818284, 12274098, 22780567, 24548196, 45561134, 63416173, 68341701, 75690271, 91122268, 126832346, 136683402, 151380542, 190248519, 227070813, 253664692, 273366804, 302761084, 380497038, 454141626, 760994076, 908283252, 2346398401, 4692796802, 7039195203, 9385593604, 14078390406, 28156780812]

約数ペア:

[(1, 28156780812), (2, 14078390406), (3, 9385593604), (4, 7039195203), (6, 4692796802), (12, 2346398401), (31, 908283252), (37, 760994076), (62, 454141626), (74, 380497038), (93, 302761084), (103, 273366804), (111, 253664692), (124, 227070813), (148, 190248519), (186, 151380542), (206, 136683402), (222, 126832346), (309, 91122268), (372, 75690271), (412, 68341701), (444, 63416173), (618, 45561134), (1147, 24548196), (1236, 22780567), (2294, 12274098), (3193, 8818284), (3441, 8182732), (3811, 7388292), (4588, 6137049), (6386, 4409142), (6882, 4091366), (7622, 3694146), (9579, 2939428), (11433, 2462764), (12772, 2204571), (13764, 2045683), (15244, 1847073), (19158, 1469714), (19861, 1417692), (22866, 1231382), (38316, 734857), (39722, 708846), (45732, 615691), (59583, 472564), (79444, 354423), (118141, 238332), (119166, 236282)]