201621290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 403038720

約数和(自身を除く): 201417430

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 97, 118, 130, 194, 271, 295, 485, 542, 590, 767, 970, 1261, 1355, 1534, 2522, 2710, 3523, 3835, 5723, 6305, 7046, 7670, 11446, 12610, 15989, 17615, 26287, 28615, 31978, 35230, 52574, 57230, 74399, 79945, 131435, 148798, 159890, 207857, 262870, 341731, 371995, 415714, 683462, 743990, 1039285, 1550933, 1708655, 2078570, 3101866, 3417310, 7754665, 15509330, 20162129, 40324258, 100810645, 201621290]

約数ペア:

[(1, 201621290), (2, 100810645), (5, 40324258), (10, 20162129), (13, 15509330), (26, 7754665), (59, 3417310), (65, 3101866), (97, 2078570), (118, 1708655), (130, 1550933), (194, 1039285), (271, 743990), (295, 683462), (485, 415714), (542, 371995), (590, 341731), (767, 262870), (970, 207857), (1261, 159890), (1355, 148798), (1534, 131435), (2522, 79945), (2710, 74399), (3523, 57230), (3835, 52574), (5723, 35230), (6305, 31978), (7046, 28615), (7670, 26287), (11446, 17615), (12610, 15989)]