28744690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5393}}^1$

素因数の和:5454

約数の個数: 32

約数和(自身を含む): 57090096

約数和(自身を除く): 28345406

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 5393, 10786, 26965, 53930, 70109, 140218, 221113, 350545, 442226, 701090, 1105565, 2211130, 2874469, 5748938, 14372345, 28744690]

約数ペア:

[(1, 28744690), (2, 14372345), (5, 5748938), (10, 2874469), (13, 2211130), (26, 1105565), (41, 701090), (65, 442226), (82, 350545), (130, 221113), (205, 140218), (410, 70109), (533, 53930), (1066, 26965), (2665, 10786), (5330, 5393)]