249809966

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 460615680

約数和(自身を除く): 210805714

約数列:

[1, 2, 7, 14, 31, 41, 62, 82, 101, 139, 202, 217, 278, 287, 434, 574, 707, 973, 1271, 1414, 1946, 2542, 3131, 4141, 4309, 5699, 6262, 8282, 8618, 8897, 11398, 14039, 17794, 21917, 28078, 28987, 30163, 39893, 43834, 57974, 60326, 79786, 98273, 128371, 176669, 196546, 256742, 353338, 435209, 575599, 870418, 898597, 1151198, 1236683, 1797194, 2473366, 3046463, 4029193, 6092926, 8058386, 17843569, 35687138, 124904983, 249809966]

約数ペア:

[(1, 249809966), (2, 124904983), (7, 35687138), (14, 17843569), (31, 8058386), (41, 6092926), (62, 4029193), (82, 3046463), (101, 2473366), (139, 1797194), (202, 1236683), (217, 1151198), (278, 898597), (287, 870418), (434, 575599), (574, 435209), (707, 353338), (973, 256742), (1271, 196546), (1414, 176669), (1946, 128371), (2542, 98273), (3131, 79786), (4141, 60326), (4309, 57974), (5699, 43834), (6262, 39893), (8282, 30163), (8618, 28987), (8897, 28078), (11398, 21917), (14039, 17794)]