68721884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 159667200

約数和(自身を除く): 90945316

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 89, 92, 109, 154, 161, 178, 218, 253, 308, 322, 356, 436, 506, 623, 644, 763, 979, 1012, 1199, 1246, 1526, 1771, 1958, 2047, 2398, 2492, 2507, 3052, 3542, 3916, 4094, 4796, 5014, 6853, 7084, 8188, 8393, 9701, 10028, 13706, 14329, 16786, 17549, 19402, 22517, 27412, 27577, 28658, 33572, 35098, 38804, 45034, 55154, 57316, 67907, 70196, 90068, 106711, 110308, 135814, 157619, 193039, 213422, 223123, 271628, 315238, 386078, 426844, 446246, 630476, 746977, 772156, 892492, 1493954, 1561861, 2454353, 2987908, 3123722, 4908706, 6247444, 9817412, 17180471, 34360942, 68721884]

約数ペア:

[(1, 68721884), (2, 34360942), (4, 17180471), (7, 9817412), (11, 6247444), (14, 4908706), (22, 3123722), (23, 2987908), (28, 2454353), (44, 1561861), (46, 1493954), (77, 892492), (89, 772156), (92, 746977), (109, 630476), (154, 446246), (161, 426844), (178, 386078), (218, 315238), (253, 271628), (308, 223123), (322, 213422), (356, 193039), (436, 157619), (506, 135814), (623, 110308), (644, 106711), (763, 90068), (979, 70196), (1012, 67907), (1199, 57316), (1246, 55154), (1526, 45034), (1771, 38804), (1958, 35098), (2047, 33572), (2398, 28658), (2492, 27577), (2507, 27412), (3052, 22517), (3542, 19402), (3916, 17549), (4094, 16786), (4796, 14329), (5014, 13706), (6853, 10028), (7084, 9701), (8188, 8393)]