9876490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 20956320

約数和(自身を除く): 11079830

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 41, 65, 82, 85, 109, 130, 170, 205, 218, 221, 410, 442, 533, 545, 697, 1066, 1090, 1105, 1394, 1417, 1853, 2210, 2665, 2834, 3485, 3706, 4469, 5330, 6970, 7085, 8938, 9061, 9265, 14170, 18122, 18530, 22345, 24089, 44690, 45305, 48178, 58097, 75973, 90610, 116194, 120445, 151946, 240890, 290485, 379865, 580970, 759730, 987649, 1975298, 4938245, 9876490]

約数ペア:

[(1, 9876490), (2, 4938245), (5, 1975298), (10, 987649), (13, 759730), (17, 580970), (26, 379865), (34, 290485), (41, 240890), (65, 151946), (82, 120445), (85, 116194), (109, 90610), (130, 75973), (170, 58097), (205, 48178), (218, 45305), (221, 44690), (410, 24089), (442, 22345), (533, 18530), (545, 18122), (697, 14170), (1066, 9265), (1090, 9061), (1105, 8938), (1394, 7085), (1417, 6970), (1853, 5330), (2210, 4469), (2665, 3706), (2834, 3485)]