16542890

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 80

約数和(自身を含む): 38116008

約数和(自身を除く): 21573118

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 53, 65, 70, 91, 98, 106, 130, 182, 245, 265, 343, 371, 455, 490, 530, 637, 686, 689, 742, 910, 1274, 1378, 1715, 1855, 2401, 2597, 3185, 3430, 3445, 3710, 4459, 4802, 4823, 5194, 6370, 6890, 8918, 9646, 12005, 12985, 18179, 22295, 24010, 24115, 25970, 31213, 33761, 36358, 44590, 48230, 62426, 67522, 90895, 127253, 156065, 168805, 181790, 236327, 254506, 312130, 337610, 472654, 636265, 1181635, 1272530, 1654289, 2363270, 3308578, 8271445, 16542890]

約数ペア:

[(1, 16542890), (2, 8271445), (5, 3308578), (7, 2363270), (10, 1654289), (13, 1272530), (14, 1181635), (26, 636265), (35, 472654), (49, 337610), (53, 312130), (65, 254506), (70, 236327), (91, 181790), (98, 168805), (106, 156065), (130, 127253), (182, 90895), (245, 67522), (265, 62426), (343, 48230), (371, 44590), (455, 36358), (490, 33761), (530, 31213), (637, 25970), (686, 24115), (689, 24010), (742, 22295), (910, 18179), (1274, 12985), (1378, 12005), (1715, 9646), (1855, 8918), (2401, 6890), (2597, 6370), (3185, 5194), (3430, 4823), (3445, 4802), (3710, 4459)]