28360930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 59820768

約数和(自身を除く): 31459838

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 41, 65, 82, 85, 130, 170, 205, 221, 313, 410, 442, 533, 626, 697, 1066, 1105, 1394, 1565, 2210, 2665, 3130, 3485, 4069, 5321, 5330, 6970, 8138, 9061, 10642, 12833, 18122, 20345, 25666, 26605, 40690, 45305, 53210, 64165, 69173, 90610, 128330, 138346, 166829, 218161, 333658, 345865, 436322, 691730, 834145, 1090805, 1668290, 2181610, 2836093, 5672186, 14180465, 28360930]

約数ペア:

[(1, 28360930), (2, 14180465), (5, 5672186), (10, 2836093), (13, 2181610), (17, 1668290), (26, 1090805), (34, 834145), (41, 691730), (65, 436322), (82, 345865), (85, 333658), (130, 218161), (170, 166829), (205, 138346), (221, 128330), (313, 90610), (410, 69173), (442, 64165), (533, 53210), (626, 45305), (697, 40690), (1066, 26605), (1105, 25666), (1394, 20345), (1565, 18122), (2210, 12833), (2665, 10642), (3130, 9061), (3485, 8138), (4069, 6970), (5321, 5330)]