28000338

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 34898862

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 59, 69, 114, 118, 138, 177, 181, 354, 362, 437, 543, 874, 1086, 1121, 1311, 1357, 2242, 2622, 2714, 3363, 3439, 4071, 4163, 6726, 6878, 8142, 8326, 10317, 10679, 12489, 20634, 21358, 24978, 25783, 32037, 51566, 64074, 77349, 79097, 154698, 158194, 202901, 237291, 245617, 405802, 474582, 491234, 608703, 736851, 1217406, 1473702, 4666723, 9333446, 14000169, 28000338]

約数ペア:

[(1, 28000338), (2, 14000169), (3, 9333446), (6, 4666723), (19, 1473702), (23, 1217406), (38, 736851), (46, 608703), (57, 491234), (59, 474582), (69, 405802), (114, 245617), (118, 237291), (138, 202901), (177, 158194), (181, 154698), (354, 79097), (362, 77349), (437, 64074), (543, 51566), (874, 32037), (1086, 25783), (1121, 24978), (1311, 21358), (1357, 20634), (2242, 12489), (2622, 10679), (2714, 10317), (3363, 8326), (3439, 8142), (4071, 6878), (4163, 6726)]