28949502

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 64995840

約数和(自身を除く): 36046338

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 61, 69, 114, 122, 138, 181, 183, 362, 366, 437, 543, 874, 1086, 1159, 1311, 1403, 2318, 2622, 2806, 3439, 3477, 4163, 4209, 6878, 6954, 8326, 8418, 10317, 11041, 12489, 20634, 22082, 24978, 26657, 33123, 53314, 66246, 79097, 79971, 158194, 159942, 209779, 237291, 253943, 419558, 474582, 507886, 629337, 761829, 1258674, 1523658, 4824917, 9649834, 14474751, 28949502]

約数ペア:

[(1, 28949502), (2, 14474751), (3, 9649834), (6, 4824917), (19, 1523658), (23, 1258674), (38, 761829), (46, 629337), (57, 507886), (61, 474582), (69, 419558), (114, 253943), (122, 237291), (138, 209779), (181, 159942), (183, 158194), (362, 79971), (366, 79097), (437, 66246), (543, 53314), (874, 33123), (1086, 26657), (1159, 24978), (1311, 22082), (1403, 20634), (2318, 12489), (2622, 11041), (2806, 10317), (3439, 8418), (3477, 8326), (4163, 6954), (4209, 6878)]