138485990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{19423}}^1$

素因数の和:19484

約数の個数: 32

約数和(自身を含む): 268517376

約数和(自身を除く): 130031386

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 19423, 38846, 97115, 194230, 446729, 602113, 893458, 1204226, 2233645, 3010565, 4467290, 6021130, 13848599, 27697198, 69242995, 138485990]

約数ペア:

[(1, 138485990), (2, 69242995), (5, 27697198), (10, 13848599), (23, 6021130), (31, 4467290), (46, 3010565), (62, 2233645), (115, 1204226), (155, 893458), (230, 602113), (310, 446729), (713, 194230), (1426, 97115), (3565, 38846), (7130, 19423)]