About the Number

139398816

139398815 ← → 139398817

2進数表記:1000010011110000111010100000

漢数字表記:一億三千九百三十九万八千八百十六

素因数分解:

2 5 × 3 1 × 31 2 × 1511 1

素因数の和:1586
約数の個数: 72
約数和(自身を含む): 378356832
約数和(自身を除く): 238958016

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 961, 992, 1488, 1511, 1922, 2883, 2976, 3022, 3844, 4533, 5766, 6044, 7688, 9066, 11532, 12088, 15376, 18132, 23064, 24176, 30752, 36264, 46128, 46841, 48352, 72528, 92256, 93682, 140523, 145056, 187364, 281046, 374728, 562092, 749456, 1124184, 1452071, 1498912, 2248368, 2904142, 4356213, 4496736, 5808284, 8712426, 11616568, 17424852, 23233136, 34849704, 46466272, 69699408, 139398816]

約数ペア:
[(1, 139398816), (2, 69699408), (3, 46466272), (4, 34849704), (6, 23233136), (8, 17424852), (12, 11616568), (16, 8712426), (24, 5808284), (31, 4496736), (32, 4356213), (48, 2904142), (62, 2248368), (93, 1498912), (96, 1452071), (124, 1124184), (186, 749456), (248, 562092), (372, 374728), (496, 281046), (744, 187364), (961, 145056), (992, 140523), (1488, 93682), (1511, 92256), (1922, 72528), (2883, 48352), (2976, 46841), (3022, 46128), (3844, 36264), (4533, 30752), (5766, 24176), (6044, 23064), (7688, 18132), (9066, 15376), (11532, 12088)]

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