28780776

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{6553}}^1$

素因数の和:6626

約数の個数: 48

約数和(自身を含む): 79237860

約数和(自身を除く): 50457084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 6553, 13106, 19659, 26212, 39318, 52424, 58977, 78636, 117954, 157272, 235908, 399733, 471816, 799466, 1199199, 1598932, 2398398, 3197864, 3597597, 4796796, 7195194, 9593592, 14390388, 28780776]

約数ペア:

[(1, 28780776), (2, 14390388), (3, 9593592), (4, 7195194), (6, 4796796), (8, 3597597), (9, 3197864), (12, 2398398), (18, 1598932), (24, 1199199), (36, 799466), (61, 471816), (72, 399733), (122, 235908), (183, 157272), (244, 117954), (366, 78636), (488, 58977), (549, 52424), (732, 39318), (1098, 26212), (1464, 19659), (2196, 13106), (4392, 6553)]