219702968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 450774720

約数和(自身を除く): 231071752

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 71, 122, 136, 142, 244, 284, 373, 488, 568, 746, 1037, 1207, 1492, 2074, 2414, 2984, 4148, 4331, 4828, 6341, 8296, 8662, 9656, 12682, 17324, 22753, 25364, 26483, 34648, 45506, 50728, 52966, 73627, 91012, 105932, 147254, 182024, 211864, 294508, 386801, 450211, 589016, 773602, 900422, 1547204, 1615463, 1800844, 3094408, 3230926, 3601688, 6461852, 12923704, 27462871, 54925742, 109851484, 219702968]

約数ペア:

[(1, 219702968), (2, 109851484), (4, 54925742), (8, 27462871), (17, 12923704), (34, 6461852), (61, 3601688), (68, 3230926), (71, 3094408), (122, 1800844), (136, 1615463), (142, 1547204), (244, 900422), (284, 773602), (373, 589016), (488, 450211), (568, 386801), (746, 294508), (1037, 211864), (1207, 182024), (1492, 147254), (2074, 105932), (2414, 91012), (2984, 73627), (4148, 52966), (4331, 50728), (4828, 45506), (6341, 34648), (8296, 26483), (8662, 25364), (9656, 22753), (12682, 17324)]